limit：指限制在允许或可能的最大或最小的数量、程度、时间等范围内 limited time and energy

1.Her love for him was being tested to its limits.

她对他的爱经受着极其严峻的考验。

2.There is no limit to how much fresh fruit you can eat in a day.

每天食用多少新鲜水果都可以。

3.The view was that the economy would grow by 2.25 per cent. This would limitunemployment to around 2.5 million.

这一观点认为经济将会增长2.25%，这将把失业人数限定在250万左右。

control:指通过权力或影响加以监督和控制，也常指控制自己的情绪

1.He lost control of his car.

他的汽车失控了。

2.He had a terrible temper, and sometimes he would completely lose control.

他的脾气很坏，有时会完全失控。

3.The fire is burning out of control.

熊熊燃烧的大火正在失去控制。

4.The situation is under control.

局势已经得到控制。

Hold back: 抑制住情绪不爆发；犹豫不决；阻碍

1.She kept trying to hold back her tears.

她一直在试图抑制住眼泪

2.He was able to hold back his anger and avoid a fight.

他忍住了怒气，避免了一场殴斗

3.Do not hold back the truth.

别隐瞒真相

4.The police had to use force to hold back the crowd.

警察不得不用武力阻止人群。

5.It is always useless to try to hold back the progress of history.

要想阻止历史潮流是徒劳的。

6.The government had several reasons for holding back.

政府因为几个原因而犹豫不决。