przydatny użyteczny 用英语:

Having a few extra batteries handy is never a bad idea.

Always keep a bucket of water handy, in case of fire.

You're really handy, aren't you? Don't you think you'd make a good house-husband?

I never thought this rubber band would come in handy when I put it in my pocket this morning.

A small toolkit can be very handy when you are traveling.

a handy microphone

The bus stop is quite handy.

People know how handy you are to have around. You're a real jack-of-all-trades but make sure you don't turn out to be master of none.

Dropboxes are often handy, but Imogen of the Internet still emails things to herself because (and I quote) "it's vintage."

handy hints/tips for removing stains

My brother says they are really handy.

I suggested that she should have her phone handy.

These sour-tempered folks are mostly handy at business, and know pretty well what they are about.

She gave us some handy tips for teaching children

Those old books could still be handy!