Definition
throughout a particular period of time; continuously from beginning to end.
一直
He pretended to be listening, but all the while he was actually looking at his phone.
他假裝在聽，但實際上一直在看手機。
She was doodling in her notebook all the while the meeting was going on.
會議進行時，她一直在筆記本上塗鴉。
We thought she was enjoying the party, but all the while she was feeling unwell.
我們以為她玩得很開心，但其實她一直感到不適。