好歹 (hǎo dǎi): After all / in the end (Noun, Adverb) — Meaning & Stroke Order

You should at least eat a little bit of food.

He was involved in the project after all, shouldn't he be aware of the latest progress?

He doesn't even understand the most basic etiquette, despite being an educated person after all.

Regardless of the outcome, you should at least give it a try, which is better than doing nothing.

Although the process was tortuous, the project was successfully completed in the end.