lieu

Compared meaning: the location or spot of something (noun).

比较义项：某物或某人所在或替代的位置、地点（名词）。

• place

  The everyday, general word for any location or spot; used freely in ordinary speech and writing, with no fixed idiomatic pattern required.

  最普通、最常用的词，泛指任何地点或位置；可以自由用于日常口语和书面语，不需要固定搭配。

  This looks like a good place to pitch our tent for the night.

  这里看起来是个搭帐篷过夜的好地方。

• position

  A more formal or precise word for an exact location, often an official post, rank, or physical posture; common in job, military, or spatial contexts.

  较为正式或精确的词，指确切的位置，常表示官方职位、军衔或身体姿势；常见于工作、军事或空间语境。

  The soldiers held their position on the hill despite heavy fire.

  尽管炮火猛烈，士兵们仍坚守在山上的阵地。

• lieu 本词

  Formal and literary; appears almost only in the fixed phrase 'in lieu of', meaning 'instead of' or 'as a substitute for' a thing.

  正式且书面化，几乎只用于固定短语“in lieu of”，意思是“代替”“作为某物的替代”。

  The company offered him extra vacation days in lieu of a raise.

  公司给了他额外的假期，以代替加薪。

• stead

  Formal and old-fashioned; appears almost only in 'in someone's stead' (representing that person) or 'stand someone in good stead' (prove useful).

  正式且略显古雅，几乎只用于“in someone's stead”（代表某人）或“stand someone in good stead”（对某人有用处）这类固定搭配。

  Since the CEO was ill, his deputy spoke in his stead at the conference.

  由于首席执行官生病了，他的副手代替他在会议上发言。

Place, position, lieu and stead all mean a location. Place is the everyday word for any spot. Position is more formal, for an exact location, rank or posture. Lieu and stead are formal, used only in fixed phrases: 'in lieu of' and 'in someone's stead'.

这四个词都可以表示“位置、地点”，但语域和用法差别很大：place和position是普通词，可以自由使用；lieu和stead是正式用语，几乎只出现在“in lieu of”和“in someone's stead”这类固定搭配中，不能单独使用。这里不比较position表示“立场、观点”的用法。