•Well up (phrasal verb) -

Of a liquid or emotion, to fill up (a container or vessel) to the point of overflowing.（涌出，充满）

Examples:

1.Her eyes welled up as she watched him walk away.

2.My body welled up with rage at the thought of such a cruel act.

•A thorn in the/sb's flesh/side (idiom) -

Someone or something that continually annoys or causes trouble for someone else（肉中刺，眼中钉）

Examples:

1.A relentless campaigner, he was a thorn in the government's side for a number of years.　　

2.He's been a thorn in the flesh of the party leadership for years.

•Throw a (monkey) wrench into sth (idiom) -

If someone throws a (monkey) wrench into a process, they prevent something happening smoothly by deliberately causing a problem.（捣乱，破坏）

Examples:

1.They threw a giant wrench into the process by raising all sorts of petty objections.　　

2.He threw a monkey wrench into our plans.

•Come one's way (idiom) -

If something comes your way, it happens to you, or it becomes available.（出现在…面前，发生在…身上）

Examples:

1.I sure hope another opportunity like that will come her way.　　

2.Several chances came our way but we missed them.

•Cat's paw (idiom) -

Someone who is used by someone else to achieve something bad.（被人利用者，傀儡）

Examples:

1.This organisation became the cat's paw for foreign powers.

2.He was merely a cat's paw of older and cleverer men.