busy with	We're too busy with our own work to help you.
go on	"What's going on? Is anything wrong?"
engrossed in	Malcolm was engrossed in a history book when I arrived.
bump into	He bumped into a chair as he walked across the dark room.
fall down/over	He tripped and fell over.
beg your pardon	"I beg your pardon. I didn't mean to interrupt you."
concentrate on	If you concentrate on these points you will soon improve.
pay attention to	James never pays attention to what the teacher says.
in anger	He shouted in anger when the boy refused to do what he said.
with horror	He noticed with horror that the man had a gun.
flee from	The people fled from the invading army.
agree with	John never agrees with his brother about anything.
pelt with rain	"You can't go yet. It's still pelting with rain."
off/on form	When Andrews is off form the whole team plays badly.
can't help	I'm so happy that I can't help singing.
make out	His writing is so bad that I can't make out a word.
up to it	You can't do this exercise. You're not up to it yet.
covered with	His clothes were covered with mud when he came in.
worn out	They were worn out after the long walk.
give a miss	"I'm tired. I'll give the party a miss tonight."
laugh at	It's rude to laugh at people to their faces.
brush up	I must brush up my French or I'll forget everything.
keep it up	Malcolm is working hard. I hope lie can keep it up.