He is busy sucking in with his immediate superior.
他忙着巴结自己的顶头上司。
I saw a group of men sucking beer from a big barrel through straws.
我看到一大群人正用麦管从啤酒桶里吸着喝酒。
A reddish mark on the skin caused by kissing, biting, or sucking, as in lovemaking.
吻痕,吮痕调情时咬、吻或吸皮肤所形成的红色痕迹