expression, ichidan verb
lend a hand; help; extend a helping hand
Idiomatic expression for offering physical or emotional assistance, often with a nuance of reaching out to someone in need.
困っている人がいたら、手を差し伸べるべきだ。
If you see someone in trouble, you should lend a hand.
彼はいつも友達に手を差し伸べている。
He is always extending a helping hand to his friends.