英文: The frail wooden bridge cracked.
中文: 这座不牢固的木桥断裂了。英文: All men are frail, but you must admit that none is more frail than yourself.
中文: 我们人都是软弱的,但是你必须要体认到没有人比你更为软弱。英文: He is frail after his illness.
中文: 他生病后很虚弱。英文: Her health has been frail for months .
中文: 她身体虚弱已有好几个月了。英文: Her health has been frail for months.
中文: 她身体虚弱已有好几个月了。