within bounds

There may be a need for retarding growth chemically to keep trees within bounds.

可能需要用化学剂抑制生长,使树冠保持在一定的范围内.

If you kick the football over a sideline, it will not be within bounds.

你如果将足球踢出边线, 球就出界了.

Keep your noise within bounds.

不要太吵.

The king maintained order within the bounds of his realm.

国王在其王国的疆界之内维持着秩序.

You must toy-the consumption of alcohol within bounds.

你必须控制喝酒量.

Changes in temperature occur slowly and are constrained within relatively tight bounds.

温度变化缓慢，而且局限在相对较小的范围内。

You must keep your hopes within reasonable bounds.

你必须把你的希望寄予合理的范围之内.

Borrowing money from friends is all right as long as it's kept within bounds.

只要能控制在适当的范围内,向朋友借钱也未尝不可.

A player may stand out of bounds to play a ball lying within bounds.

球员可以站在界外击打界内球.

The firm's costs must be kept within bounds on this new contract.

根据这份新合同,公司的费用要限制在规定的范围之内.

He could never keep his temper within bounds.

他从来不会克制自己的脾气.

He succeeded in keeping his temper within bounds.

他忍住了怒火.

The prisoners must remain within bounds while they are out working in the field.

囚犯到野外干活时不能越过界线.

Public spending must be kept within reasonable bounds.

公共开支必须控制在合理的范围内。

Keep it within bounds.

请把它保持在限制范围内.