Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary
clock
clock UK [klɒk] US [klɑːk] noun [ clocks ]
TIME
1. <E > countable a device for measuring and showing time, which is usually found in or on a building and is not worn by a person • We have an antique clock on our mantelpiece. • The town-hall clock says(= shows that the time is) 9 o'clock. • I think the kitchen clock is fast/slow(= is showing a later/earlier time than it should). • The clock began to strike twelve. • She set her clock (= put it to the right time) by the time signal on the radio. Thesaurus+: ↑Watches and clocks 2. put/turn the clocks back UK ( US set/turn the clocks back ) to change the time on your clocks to an hour earlier, at an officially chosen time of year • Don't forget to turn the clocks back tonight. Thesaurus+: ↑Watches and clocks 3. put/turn the clocks forward ( US also set the clocks ahead ) to change the time on your clocks to an hour later, at an officially chosen time of year Thesaurus+: ↑The seasons
• This alarm clock takes two medium-sized batteries. • The clock was striking ten as we went into the church. • The kitchen clock is wrong - it's actually 12.30 not 12.15. • Digital clocks don't really help children to learn about time and how to organize their time. • That clock is ten minutes slow.
1. to take a particular time exactly to do or complete something • He clocked 10 seconds in the 100 metres (= He ran it in 10 seconds). Thesaurus+: ↑Watches and clocks
SPEED
2. to show or reach a particular speed or distance on a measuring device • + -ing verb The police clocked him doing 80 mph in a 50 mph area. • Jim's car has clocked (up) (= travelled) 40 000 miles in less than two years. Thesaurus+: ↑Speed of motion
