a. wanting in physical strength
s. tending downward in price
s. deficient or lacking in some skill
s. (used of verbs) having standard (or regular) inflection
a. 不牢固的, 弱的, 虚弱的, 软弱的, 无力的, 无权力的, (论据等)不充分的
[经] 疲软的
1. He felt weak after running a long distance.
他在长时间跑步后感到虚弱。
2. The bridge is too weak to support heavy trucks.
这座桥太弱，无法支撑重型卡车。
3. She has a weak immune system and often gets sick.
她的免疫系统很弱，常常生病。