underweight
adj
below the usual, legal or stated weight 低於一般重量的; 未达标准或规定之重量的; 重量不足的
You are only slightly underweight for (ie in relation to) your height. 按你的身高来说, 你体重仅稍轻一点儿.
The coal is six pounds underweight/underweight by six pounds. 这些煤的重量少了六磅. =>Usage at thin 用法见thin. Cf 参看 overweight.
🗣️ 情景例句
We always whispered when Michelle was born.
当Michelle出生的时候, 我们总是压低嗓门说话。
Yes, indeed.
是的,确实如此。
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.