up and down片语

上下地、上上下下

The children were jumping up and down on the old mattress.

孩子们在旧床垫上上下跳动。

来回地、走来走去

He paced up and down the hallway waiting for news.

他在走廊里来回踱步，等著消息。

时好时坏、起伏不定口语

Her mood has been up and down since the surgery.

手术之后，她的情绪一直起伏不定。

到处、四处

They drove up and down the coast looking for a cheap hotel.

他们沿著海岸到处开车，想找一家便宜的旅馆。

上下打量、打量

The guard looked me up and down before opening the gate.

警卫把我上下打量了一番才开门。

上下的、起伏的

The machine makes a slow up-and-down movement.

这台机器做缓慢的上下运动。

起伏不定的、时好时坏的

Their marriage has had a very up-and-down few years.

他们的婚姻这几年一直起伏不定。