trzymać mocno in inglese:

Please hold on, I'm putting you through.

Please hold on a minute

Yeah, hold on, Mike is right here.

They usually hold on the sea grass.

Be careful going down those steep stairs! Why don't you hold on the rail?

Just hold on. Everything will work out in good time. If you will just hold on, everything will probably be all right.

hold on a minute, I’ll be right back!

[Hold on tight everyone - the driver's getting ready to go. // We'll hold on another minute, then we'll have to go.]

hold on with both hands

He told the children to hold on.

Please hold on, I'm putting you through. / Could you hold on for a minute? She'll be free in a moment. / We held on as the bus started to move.

yeah, hold on, Mike is right here.

Please hold on, I’ll see if Mr Brow is in his office.