进退的英文：
advance and retreat

参考例句：

The horses were stalled in a slough.
马陷入泥沼中进退不得。

Euripus:a sea channel characterized by turbulent and unpredictable currents.
"急流水道:潮流或海流急剧进退,无法预知的水道."

A satisfactory job has been done of replacing old members with new ones in the three central leading bodies.
这次三个委员会成员的进退，工作做得很好

a shadowy figure in a black Homburg traversing the fogbound park.
头戴黑色翘边帽的神秘人在因浓雾而进退不能的公园来回徘徊

advance是什么意思：
v. （使）前进；发展；推进；预付；提出；提前；进展；上涨；被晋升；贷（款）
n. 前进；发展；预付款；增长
adj. 预先的；先行的

Prices are advancing.
各种物价都在上涨。

The advance was sounded.
进军号吹响了。

Petroleum is on the advance.
石油价格正在上涨。

The work is not advancing.
工作没有进展。

an advanced stage of illness; a person of advanced age.
疾病的晚期;年迈的人

retreat是什么意思：
n. 撤退；撤回；静修，引退（期间）；静居处；隐居处；静思，静修
v. 撤退；退避；使后退

a solitary retreat.
隐居处

The snail retreated into its shell.
蜗牛缩进壳里去了。

The monks conducted a retreat.
僧侣们进行静修。

They sounded the retreat by beating the drum.
他们通过打鼓发出撤退信号。

A brave retreat is a brave exploit.
勇敢的退却也是勇敢的行为。