adjective
R
Not showing kindness or forgiveness; very harsh.
The unmerciful boss made everyone work overtime without pay.
这个毫不留情的老板让每个人无偿加班。
R
Extremely severe or intense without stopping.
The unmerciful heat made it hard to breathe.
无情的高温让人呼吸困难。
translation
无情的, 极其严酷的