vt.

1. 弄直；伸直；放直
2. 使輕鬆，使鬆弛；放鬆
3. 【海】卸下（帆等）；解開（繩索等）

vi.

1. 變直
2. 鬆弛；變融洽；變和藹

v.

1. straighten.
2. become less reserved, formal, or strict.
3. Sailing  unfasten (sails) from yards and stays.
   ▸untie (a rope) or cast (a cable) loose.