(1) on deck 1. 在船的主甲板上 2. 准备行动、执行任务等；在场

1. Shall we go up on deck?

我们到甲板上去好吗?

2. Every employee had to be on deck at nine o'clock.

每个雇员必须在9点钟到场。

(2) declare war (on/against sb.) （向某人）宣战

1. War has been declared.

已经宣战了。.

2. Britain declared war on Germany on September 3, 1939.

英国在1939年9月3日正式对德国宣战。

(3) fall/go into a decline 失去力量、影响等

1. The company has gone into a decline because of falling demand.

由于市场需求下降，这家公司的生意每况愈下。

2. After his wife's death, he fell into a decline.

他在妻子死后一蹶不振。

(4) on the decline 在削减；在衰退

1. She is on the decline, and may die soon.

她身体越来越弱，恐不久于人世。

2. The number of robberies in the area is on the decline.

这地区的劫案在减少。

(5) in defiance of sb./sth. 不顾某人/某事；无视某人/某事

1. She wanted him to stay, but he left in defiance of her wishes.

她要他留下来，但他并不理会，还是走了。

2. He jumped into the river in defiance of the icy water.

她不顾冰冷的水而跳入河中。

(6) by degrees 逐渐地

1. By degrees their friendship grew into love.

他们的友谊渐渐地发展成爱情。

2. The inflation got worse by degrees.

通货膨胀越来越严重。

(7) take delight in sth./doing sth. 以某事/做某事为乐（尤指残忍的事或坏事）

He takes great delight in proving others wrong.

他的极大乐趣是证实别人错了。

(8) make demands of/on sb. 需要某人用高度技巧、很大力气等

This new aircraft makes tremendous demands of the pilot.

这种新飞机需要飞行员有极高的技巧。

(9) descend on/upon sb./sth. 1. 袭击某人/某物 2. 出乎意料地或不合时宜地去见某人/来到某处

1. The police descended on their hide-out.

警察突袭了他们的藏身处。

2. My sister's family is descending on us this weekend.

想不到我姐姐一家本周末要到我们这里来。

(10) descend to sth. （不用于被动语态）做或说卑鄙无耻的事；降低身份或人格做某事

I'm surprised that he should descend to cheating.

他竟沦落至行骗的地步，我十分惊讶。

责任编辑：admin