After working three night shifts in a row, Mark felt too rickety to lift the boxes.

連續上了三個大夜班後，馬克虛弱得搬不動那些箱子。

The elderly passenger looked rickety, so the flight attendant helped her carry her bag.

那位年長乘客看起來很虛弱，於是空服員幫她提行李。

Still rickety after surgery, the manager joined the budget meeting by video from home.

經理手術後身體仍很虛弱，便在家透過視訊參加預算會議。