来自loose,松开，-en,使。

1. Relax, smile; loosen up in mind and body and behaviour.

放松，微笑。精神、身体和行为上都要放轻松。

2. Loosen the bolt so the bars can be turned.

松一松插销，好转动门闩。

3. Young people often loosen up on the dance floor.

年轻人常在舞池中放松自己。

4. We must, somehow, find a way to loosen the bonds of tradition.

我们不管怎样都必须找到摆脱传统束缚的途径。

5. Squeeze the foot with both hands, again to loosen up tight muscles.

双手捏脚，目的也是使紧张的肌肉松弛下来。