Bristle with sth (phrasal verb)

　　●To have a large amount of something, or to be full of something.（充满…，有大量的…）

　　Examples:　　

　　1.He bristles with energy.　　

　　2.The project was bristling with difficulties.

　　At the sight of sb/sth (idiom)

　　●Upon seeing.（一见到…）

　　Examples:　　

　　1.He faints at the sight of blood.　　

　　2.The child laughed at the sight of the new toy.

　　All of a sudden (idiom)

　　●If something happens all of a sudden, it happens quickly and unexpectedly.（突然地，出乎意料地）

　　Examples:　　

　　1.It seemed to happen all of a sudden - I felt dizzy and I just collapsed.　　

　　2.All of a sudden, the lights went out.

　　Hit sb. below the belt (idiom)

　　●To deal someone an unfair blow.

　　（用卑劣的手段攻击别人（如同拳击中违规地攻击对手腰带以下的部位））

　　Examples:　　

　　1.That's not fair! You told them I was the one who ordered the wrong-size carpet. That's hitting me below the belt.　　

　　2.You were hitting Tom below the belt when you said that.

　　Throw (one's) weight around (idiom)

　　●To use one's position, power or influence unfairly to get what one wants.（耀武扬威，作威作福）

　　Examples:　　

　　1.You can expect the big industries to throw their weight around in order to influence the regulations.　　

　　2.His teammates didn't appreciate how he threw his weight around.