a sign of

Mist in the morning is a sign of good weather.

早晨有雾是晴天的兆头。

To hit a weaker person is a sign of cruelty.

殴打比自己弱的人是一种残忍的表现.

They shot off their weapons as a sign of victory.

他们朝天鸣枪以示胜利.

He joked that being good at cards was the sign of a misspent youth (= having wasted his time when he was young) .

他开玩笑地说擅长打牌表明虚度了青春年华。

A strong square jaw is a sign of firm character.

强健的方下巴是刚毅性格的标志。

Using a false accent over the phone is a sign of inferiority.

打电话时故意作出某种口音是自卑的表现.

In still another use, persons in Asian cultures may view silence as a sign of respect, particularly to an elder or a person in authority ．

在另一个用法中,亚洲文化中的人可能认为沉默是一种尊重,特别是对长者或当权者。

Wallet threat is the reluctant act of pulling one's wallet out as a sign of willingness to pay for a meal that was assumed to be a treat.

Wallet threat（钱包威胁）指被别人请吃饭时，不情不愿地掏钱包做出付账姿态的行为。

Tolerance is a sign of breeding.

容忍是有良好教养的表现.

It is not a sign of humility to declaim against pride.

慷慨激昂地攻击傲慢,并非谦逊的标志.

Headaches may be a sign of stress.

头痛可能是紧张的迹象。

Talking loudly on a bus is a sign of vulgarity.

在公共汽车上大声喧哗是一种粗鄙的行为.

Many people felt that admitting to stress was a sign of weakness.

许多人认为承认有压力是意志薄弱的表现。

Agitated activity by certain animals may be a sign of an impending earthquake.

某些动物烦躁不安可能是地震临震前的预兆.

Buds on the trees are a sign of spring.

树上的萌芽是春天来临的征兆.

Cutting school more than once in three months is a sign of trouble.

3个月内旷课次数超过一次就可能有麻烦了。

Do not take our restraint for a sign of weakness.

不要把我方的克制看做是软弱可欺.

Brain scans showed more slow oscillations during sleep in the people who reported getting an earworm – a sign of memory reactivation.

大脑扫描显示，自称遭遇耳虫困扰的人在睡眠期间大脑出现更多慢速振动，这是记忆被重新激活的迹象。

The presence of non-task-oriented ideas is a sign of broad interest, concern, and alertness on the part of the employees.

一些非有关部门工作的建议的产生，标志了在部分职工中的广泛兴趣、机智和关心企业的精神素质。

He searched for a sign of recognition on her face, but there was none.

他试图在她的脸上找出一丝认出他的神情，但是根本没有。

He thought that crying was a sign of weakness.

他认为哭是懦弱的表现。

Tiredness and fever are much more likely to be a sign of flu coming on.

疲倦、发烧更有可能是患流感的征兆。

Adjusting your tie is often a sign of nervousness.

调整自己的领带通常是心情紧张的迹象.

She passed close by me without a sign of recognition.

她与我擦肩而过,却没认出我.

He thought that crying was a sign of weakness .

他认为哭是懦弱的表现。

She raised her finger to her lips as a sign of silence.

她把手指放到嘴唇上以示安静.

It's a sign of good breeding to know the names of all your staff.

知道所有员工的名字是有良好教养的一种体现。

It's a sign of the encroachment of commercialism in medicine

这是医药界被逐渐商业化的一个的征兆。

Aggressive behaviour is a sign of emotional distress.

好斗行为是情感苦闷的一种表现。

He joked that being good at cards was the sign of a misspent youth.

他开玩笑地说擅长打牌表明虚度了青春年华。