上门的英文：
drop in
visit

参考例句：

door - to - door conveyance
上门取送运输

On-The-Spot Tax Inspection
上门稽查

It's easy to do Business By house calls.
上门的买卖好做

The salesmen usually follow up a letter with a visit.
推销员往往在写了信之后又上门拜访。

He locked the door and pocketed the key.
他锁上门，将钥匙放入口袋。

He complained about being constantly doorstepped by the press.
他埋怨经常被上门的记者纠缠不休。

He took the precaution of locking his door when he went out.
当他外出的时候谨慎地锁上门。

Once inside, we barred the door.
一进屋，我们即刻闩上门。

The salesmen usually follow up a letter with a visit.
推销员往往在写了信之后又上门拜访。

"Money calls, But does not stay: It is round and rolls sway"
金钱会上门,不会留下来,因为是圆的,所以会滚开

drop是什么意思：
v. 落下；降低；垂下；停止；终止；放弃；与…断绝联系
n. 落差；球状糖果；珠，滴；少量

A small amount of liquid;a drop.
少量液体；一滴

low-velocity drop
低速度空投

high velocity drop
高速度空投

Oh, shit! Drop dead!
浑蛋！该死！

The oil drops suspend in water.
油滴在水中悬浮着。

visit是什么意思：
v. 访问，拜访；暂住；作客；视察；参观
n. 访问；参观；逗留

The visiting president and his entourage.
到访总统及其随行人员。

Friends visit them occasionally.
朋友偶尔拜访他们。

visiting professor; guest professor
客座教授

Have you visited the site of The Zunyi Conference?
你参观过遵义会议会址吗？

He is visiting in Taipei.
他在台北逗留。