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Hold my waist and take care not to fall off the motor-bike.

steer (the wheel) with one hand; keep one hand on the wheel

teach sb to do sth by steering his hand(s)

keep a firm hand on the tiller

guide a plough; hold the handles of a plough

keep the power of the company in one's own hands; dominate the company

Keep watch over this end of the lane and don't let the thief slip away.

hold the chair leg in place with an angle iron

handlebars of a cart/bicycle

with both hands off the handlebars (of a bicycle)

There is a pub at the entrance of the lane.

stand at the door

hold a baby to let it relieve itself

a bundle of straw

a spade

an umbrella

a pair of scissors

a ruler/key

a bundle of grass

a bunch of flowers

a handful of earth

tearful and snivelling

He is an efficient worker.

The teacher told him to pull his socks up, or he'd undoubtedly fail his exam.

aged/elderly person

make an extra effort; put on a spurt

set fire

Can I lend a hand? / Do you need a hand?

give him a push

give me a tug/pull

wipe your sweat away