cannot see, cannot make out
太暗了,看不清楚。
It's too dark; I can't see clearly.
看不出有暴风雨的迹象。
There’s no sign of a storm.
一点也看不出来
You can't tell at all.
— 触不可及 (2011)
看不出有人活动过的痕迹。
There’s no sign that anyone has been here.