I told Jack he had to place his son under his thumb before it "s too late."

我告诉过杰克他必须把他儿子控制住，不要等到太晚了来不及。

youdao

Pressing one's thumb on a table and sometimes stirring it up and down may show that someone has put another person under his thumb.

将拇指按在桌子上，有时上下挑动，表示某人已将另一个人按在拇指下面了，即完全控制某人。

youdao

My friend Pete Green is certainly under his wife's thumb.

这个人说：“我的朋友比德·格林完全受他太太的控制。”

youdao

The crucial difference is that Mr Kohl was already a long-serving chairman of his party, and had it under his thumb, when he became chancellor.

ECONOMIST: Schr?der thumped

Having fought to protect lakes, rivers and streams as a legislator, he now plans to get all regional water and sewage policy under his thumb as firmly as he has the roads.

ECONOMIST: Barnes-storming in Georgia