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
Today is pretty cold.
今天挺冷的
I'd be glad to.
好的。
At lunchtime, the tourist thanked him and gave him ten pounds, which was a lot of money in those days.