touch and go
[adjective]
Synonyms: risky, close, critical, near, nerve-racking, precarious

[TahlilGaran] English Synonym Dictionary ▲

ˌtouch-and-ˈgo adjective informal
it’s touch-and-go used about a situation in which there is a serious risk that something bad could happen:
It was touch-and-go whether the doctor would get there on time.

[TahlilGaran] Dictionary of Contemporary English ▲

touch and go
uncertain, in a dangerous situation
It was touch and go whether the girl was going to survive after the car accident.

[TahlilGaran] English Idioms Dictionary ▲

touch and go
adj. phr. Very dangerous or uncertain in situation.
Our team won the game, all right, but it was touch and go for a while.
At one time while they were climbing the cliff it was touch and go whether they could do it.

[TahlilGaran] English Idioms Dictionary ▲