Drag down（phrasal verb）

●To lower the quality, character, or value of something or someone.（拖累，拖後腿）

Examples:

1.His disruptions are dragging down the performance of the other students.

2.Recent events have dragged prices down.

Let one's guard down (idiom)

●To stop guarding oneself against trouble; to relax one's vigilance.（放鬆警惕，掉以輕心）

Examples:

1.He never lets his guard down because he trusts no one.　　

2.We'll wait long enough for them to let down their guard before we launch our invasion.

De-leverage (verb)

●去槓桿（化）。所謂槓桿（leverage），是指通過借貸以較小的資本金控制較大的資產規模，從而擴大盈利能力或購買力。所謂「去槓桿」就是減少使用金融槓桿，退還原先通過各種方式借到的錢。通俗點說，就是減債。

Bottom out (phrasal verb)

●to have reached the lowest point in a continuously situation and to be about to improve.（見底回升）

Examples:

1.Economists think that the recession is bottoming out.

2.All my problems em to be bottoming out. They can't get much worse.

Bear the brunt (of sth) (idiom)

●To withstand the worst part or the strongest part of something, such as an attack. （首當其衝）

Examples:

1.It was the secretary who had to bear the brunt of the doctor's anger.　　

2.I had to bear the brunt of her screaming and yelling. Why don't you talk with her the next time she complains?