reduce减少；abate； lessen； decrease ； diminish； drain； dwindle； ebb

reduce [ri'dju:s] v. 减少；分解；减低；降低

He is trying to reduce expenses.

他正试图减少开支。

abate  [ə'beit] vt. 减少；减弱；减轻

The storm has abated.

暴风雨减弱了。

lessen  ['lesn]v. 减少；变小；减轻

The pain was already lessening.

疼痛已在减轻。

decrease  [di:'kri:s]n. 减少；减少之量v. 减少

His interest in this subject gradually decreases.

他对这门学科的兴趣逐渐减退。

diminish  [di'mini∫] v. 减少；变小；缩减

As he turned the knob, the sound diminished.

他一转旋钮，声音就变小了。

drain  [drein]  n.消耗；下水道；排水沟v. 耗尽；排出沟外

The civil war drained the country of its manpower and wealth.

内战耗尽了国家的人力和财富。

dwindle  ['dwindl] v. 减少；缩小

His fortune dwindled to a few hundred pounds.

他的财产减少到几百英镑了。

ebb  [eb] n. 退潮；衰退v. 潮退；衰退

His energy seemed to ebb.