The Set Pattern “（没）有什么（好）×的”

“（没）有什么（好）×的” is a set pattern: there is no need to do something, or no reason to feel or be a certain way.

How it is translated

Depending on the context: what is there to … ? nothing to … about there is nothing worth … no reason to …

（没）有什么（好）+ X + 的

Here X is an action, a feeling or a state. The pattern means: there is no need or reason to X or: there is nothing worth X-ing

你跟我有什么好客气的

Literally: “What is there to be so polite about with me?”

有什么 + 好 + 客气 + 的 what is there + worth + being polite + about

你跟我 — you with me 有什么好……的 — what is there to … about? 客气 — stand on ceremony

Here the speaker is saying there is no reason to be 客气 — formal — with him.

这种事在网上有很多，没有什么奇怪的

没有什么 + 奇怪 + 的 nothing + strange + about it

这种事 — this sort of thing 在网上 — online 有很多 — there is a lot 没有什么奇怪的 — nothing strange about it

Here “没有什么奇怪的” says there is no reason to find it strange.

我觉得这家商场里的东西都很一般，没有什么好买的

没有什么 + 好 + 买 + 的 there is nothing + worth + buying

我觉得 — I think 这家商场 — this mall 里的东西 — the things inside 都很一般 — are all pretty ordinary 没有什么好买的 — there is nothing worth buying

Here “好买的” means “worth buying”.

（没）有什么（好）+ X + 的

It says there is no need or reason for the action, feeling or state.

有什么好客气的

没有什么奇怪的

没有什么好买的