to be an expert in a particular part of a subject or profession (2 phrases)
specialise in smth / specialise in doing smth
practise a lot, learn the skills that you need to do your job or something else
train to do smth
If you're ... ... it is your job or duty to deal with it and make decisions relating to it (2 phrases)
responsible for smth / responsible for doing smth
to become a member of a particular profession after a period of training or study (2 phrases + difference)
qualify as / qualify in
If you are ........ something, you are skilful and successful at doing it
be good at smth
If you say that it is good that something should happen or ....... do something, you mean it is desirable, acceptable, or right
good to do smth
If something is ......... a person or organization, it benefits them
good for smb
another way to say 'I'm a/an + profession".
work as
When you're not self-employed, you ... ..... ... (say the phrase)
work for somebody
What's the difference between 'work at' and 'work in'?
work at + place, work in + area (engineering, medicine, education, etc.)
to need someone or something in order to survive or be successful
depend on smth / depend on smb
