can't help

listen to the pronunciation of can't help
English - English
Not able to avoid a situation, or stop something from happening

I can't help crying whenever I see Romeo and Juliet.

Can not prevent/ stop

I can't help crying at weddings. They make me feel sad.

can't help it
it is beyond my control, can't do it any other way
can I help you
may I assist you, can I do something to help
how i can help you
see: how can i help you