lock

have a lock on have an unbreakable hold or total control over. North American informal

☞ Lock is here used in the sense of a hold in wrestling that prevents an opponent from moving a limb.

1974Paul ErdmanSilver Bears He would sooner see the whole bank go down the drain…than get beaten by us. Unless we develop an even better lock on him-and that won't be easy.

lock horns engage in conflict.

☞ The image here is of two bulls fighting head-to-head with their horns. Both the literal and figurative senses of the phrase originated in the USA, in the mid 19th century.

lock, stock, and barrel including everything; completely.

☞ Lock, stock, and barrel refers literally to the complete mechanism of a firearm.

under lock and key securely locked up.

词组	lock
释义	lock have a lock on have an unbreakable hold or total control over. North American informal ☞ Lock is here used in the sense of a hold in wrestling that prevents an opponent from moving a limb. 1974Paul ErdmanSilver Bears He would sooner see the whole bank go down the drain…than get beaten by us. Unless we develop an even better lock on him-and that won't be easy. lock horns engage in conflict. ☞ The image here is of two bulls fighting head-to-head with their horns. Both the literal and figurative senses of the phrase originated in the USA, in the mid 19th century. lock, stock, and barrel including everything; completely. ☞ Lock, stock, and barrel refers literally to the complete mechanism of a firearm. under lock and key securely locked up.
随便看	let something slip let something slip through your fingers let something slip through your fingers let something slip through your fingers (or grasp) let something slip through your grasp letter let the cat out of the bag let the cat out of the bag let the dog see the rabbit let the dog see the rabbit let the genie out of (or put the genie back in) the bottle let the genie out of the bottle let the genie out of the bottle let the side down let your hair down let yourself go level liberty licence licence to print money licence to print money licence to print money lick lick (or knock or whip) someone or something into shape lick (or smack) your chops