1 close look to make sure sth is safe/correct
ADJ. complete, full, thorough | careful, close, rigorous, tight | cursory, quick | periodic, regular, routine | annual, daily, etc. | constant, continuous | random, spot In a series of spot checks, police searched buses crossing the border. | cross (also cross-check), double (also double-check) | independent | visual I did a quick visual check of the engine. | dental, fitness, health, medical | police, safety, security | identity | customs, immigration, passport | stock | quality | spell/spelling I do a spell check on all my emails. | sound The band wants to do a sound check before the concert.
VERB + CHECK carry out, conduct, do, give sth, have, make, run I'll just have a quick check to see if the letter's arrived. A thorough check is made before the luggage is put on the plane. We're running a police check on all applicants for the job. | keep, maintain Police are keeping a close check on the house. | go for I have to go for a dental check.
PREP. ~ on a routine check on the factory
ADJ. natural Leaving some fields fallow provided a natural check on insect populations.
VERB + CHECK act as, provide | hold sth in, keep sth in You need to keep your temper in check!
PREP. ~ on The law acts as a check on people's behaviour.
ADV. always, daily, regularly Always check that the electricity is switched off before you start. Check the engine oil level regularly. | carefully, thoroughly
VERB + CHECK had better, must, need to, should We had better check that all the doors are locked.
PREP. against I'll need to check these figures against last year's. | for Check the roof for loose slates. | with I checked with her to see if she needed any help.
PHRASES be worth checking It's worth checking that there is no rust on the car. | check to see if/whether He was just checking to see if I was in my room.