微弱的英文是：faint; feeble; weak; thin; slim; slender；velleity。
双语例句：
1、他的呼吸变得微弱了。
His breathing became faint.
2、他停下脚步试着让眼睛适应微弱的星光。
He stopped to try to adjust his vision to the faint starlight.
3、澳大利亚队在上半场终时以1:0的微弱优势领先。
Australia held a slender 1 _ 0 lead at half-time.
4、除偶尔有香烟的微弱红光外没有一点亮光。
There was no light except for the occasional glow of a cigarette.
5、他嘴里发出了微弱颤抖的声音。
A weak trembling sound issued from his lips.
6、他的烟头发着微弱的红光。
The end of his cigarette glowed red.
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