This is the 4497th most frequent Chinese word.
時還
"時還" means "returning at the appropriate time" or "timely return."
In this sentence, "時還" indicates the situation or time when the action happened, showing the state of meticulousness during the occurrence of explaining the matter.
他說明事情的時還很仔細。
He was very meticulous during the explanation of the matter.
Here, "時還" connects the action of "thinking about problems" with the necessity of comprehensive consideration, indicating a temporal correlation.
思考問題時還需要全面考慮。
When thinking about problems, comprehensive consideration is still necessary.
In this context, "時還" marks the end of the trip and associates it with the expressed regret, serving as a temporal indicator.