by ear

It is a complex situation – you'd better play it by ear.

情况复杂,你就见机行事吧.

Facing his enemy, he had to play it by ear.

面队敌人, 他只有随机应变了.

We don't know what to do now, so we must play by ear.

我们不知怎么做，所以必须见机行事。（非“玩弄起耳朵来”）

The allergic reaction was estimated by ear swelling index.

以耳肿胀系数作为评价小鼠过敏反应的指标；

I haven't decided what to say when he comes; I'll play it by ear.

他来时我不知道该说什么,到时候随机应变吧.

I am not sure what the tour4 guide5 has in plan6 for us today, so I'll just play it by ear.

我还不清楚导游今天给我们做了什么安排，所以打算到时候看情况再做决定。

She said:" During the filming process, I was required by the director to laugh from ear to ear [ and] laugh behind [ my] hands.

她说：“在拍摄的过程中，我被导演要求手放在前面大笑。”

Some people learn how to play jazz by ear.

一些人学习如何不看乐谱来演奏爵士乐。

She plays the piano entirely by ear.

他演奏钢琴完全凭听觉记忆,不用乐谱.

Just play it by ear.

只要随机应变就是了.

She could play by ear prettily.

她不看乐谱,光凭听觉记忆就能演奏得很好.

Neil played, by ear, the music he'd heard his older sister practicing.

尼尔凭着记忆弹奏他曾听到姐姐练习时弹的曲子。

No problem. I'll play it by ear.

没问题。我会即兴发挥的。

Hearing can be affected by ear wax blocking the ear canal.

耳垢堵塞耳道可能会影响听力。

I'll just play it by ear.

我到时随机应变.

Let's play it by ear when we get there.

到了那儿，我们要见机行事。

The anti inflammatory effect of Jin's hemorrhoids ointment were observed by using the mouse ear inflammation model induced by xylol and the mouse peritoneal capillary permeability increase model induced by acetic acid.

采用二甲苯引起的小鼠耳廓肿胀及醋酸所致小鼠腹腔毛细血管通透性增高模型，观察金氏痔疮膏的抗炎作用；

In this game you have to play it by ear sometimes.

这个游戏有时候需要靠你的临场发挥.

Signora Pasini left early and I played a piece by ear.

西罗拉～芙罗尼奥走得比较早所以我自己弹了一会儿.

Joe knows many songs well, and can play them by ear.

乔会许多歌曲, 就是不看乐谱也能演奏它们.

Objective This study aimed to analyze the localization and distribution of vascular endothelial growth factor ( VEGF) in middle ear cholesteatoma in comparison with normal middle ear mucosa and auditory skin and the relationship between the angiogenesis induced by VEGF and the destructive behavior of middle ear cholesteatoma.

目的本研究的主要目的是分析与正常中耳黏膜和外耳道皮肤相比血管内皮生长因子（VEGF）在中耳胆脂瘤中的定位和分布。探讨VEGF与中耳胆脂瘤的血管形成以及胆脂瘤侵蚀性行为的关系。

I could play by ear.

我能够凭听觉而不是识谱来演奏音乐.

He is bind, but he can play many beautiful songs by ear.

他是个盲人, 但他能凭记忆演奏许多动听的歌曲.

Let's just play it by ear!

我们就瞧着办吧！

I learned how to tune a guitar by ear.

我学会了如何靠声音调试吉他.

Can we just play it by ear?

我们能不能只参与不策划？

She can play the most difficult piano music by ear.

她能不看乐谱,光凭听觉记忆弹奏最难的钢琴曲.

He can play it by ear and handles everything in order.

他能随机应变，所以做事井井有条。

Let's play it by ear.

咱们看着办吧.

At the same time, maize ear growth and development was severely affected by drought stress, that is, the maize ear became short and thin, basal substance became devoid, tank capacity shrank, and silk elongation rate decreased or silk elongation could not put forth.

与此同时，玉米雌穗生长发育亦受到干旱胁迫的严重影响，雌穗变短变细，基础物质不足，“库”容量显著缩小，而且，玉米雌穗花丝伸长速率下降或不能抽出。