泄气 (xiè qì): การรั่วไหล (ก๊าซ)

When he was pumping up his bicycle tire, he found that it was leaking a little air, so riding it was especially tiring.

The valve on the gas tank has aged and keeps leaking gas; you can even smell gas in the kitchen.

The balloon was pricked by a needle, immediately started leaking air, and soon became flat.

The sealing ring of the pressure cooker was broken, so steam leaked out from the side while cooking; the pressure inside wasn't enough, and the rice came out half-cooked.