Vocabulary revision

To take on or begin something, usually a task or project

To leave behind or give up

Bad luck or an unfortunate event

increase; speed up

to experience something that is unpleasant or something that involves a change

behaviour in which you do things suddenly without any planning and without considering the effects they may have

the period of time in a person's life when they are developing into an adult

to reduce or be reduced in size or importance

an occasion when two or more similar things happen at the same time

critical; serious; painful