形 weak，feeble，young，inferior；动 [书] （丧失） lose (through death)，ebb ；

[例句] 后来风势渐弱，海面重归平静。 Then the wind dropped and the surface of the sea was still.

[例句] 常规液体里分子之间的键合力相对较弱。 The molecules in regular liquids are held together by relatively weak bonds.