take advantage of an opportunity that comes one 's way
Acting according to the situation refers to acting flexibly according to the specific situation, which comes from the book of changes.
It depends on the time and the situation. Flexibility depends on the specific situation.
[source] in the book of changes, the second part of the book of Songs: "a gentleman can do what he sees, but not all the time."
[usage] serial verb; used as predicate and attribute; with commendatory meaning
[example] be flexible, then.
take advantage of an opportunity that comes one 's way
tower above the rest in height of intellect - yòu rán jǔ shǒu
act towards one another like brothers and sisters - rú xiōng rú dì
to be falsely taking part in the discussions - zì zuò jiě rén