weak的形容词变名词为weakness
例句
1.
The newspapers were full of moral outrage at the weakness of other countries.
报纸上充斥着对别国弱点的道义上的不满。
2.
Tom succeeded in his efforts to overcome his fatal weakness.
汤姆努力克服了自己致命的弱点。
3.
He thought that crying was a sign of weakness.
他认为哭是懦弱的表现。
