Chance and Nature(U12/DC1-C2)

chance upon

to find or meet sb/sth unexpectedly or by chance

cool down

to become cool or cooler

cut back(on)

to reduce sth

die out

to stop existing

dig up

-remove sth from under the ground by digging

-to discover information about sb/sth

dry up

-if a supply of sth dries up,there is gradually less of it until there is none left

get through

to manage to do or complete sth

-to finish dealing with some work,a subject

heat up

-make sth hot,become hot

kill off

to make a lot of plants,animals,etc die

put down to

to consider that sth is caused by sth

slip up

to make a careless mistake

spring up

-to appear and develop quickly and/or suddenly

store up

-to keep a lot of sth so that you can use it later

-to do sth that will cause problems in the future

throw out(of)

-to force sb to leave a place

throw out

-to say sth in a way that suggests that you have not given a lot of thought

throw up

-to cause sth such as dust or water to rise into the air