laborious

1. ADJ If you describe a task or job as laborious, you mean that it takes a lot of time and effort. 費時費力的

Keeping the garden tidy all year round can be a laborious task. 保持院子全年整潔會是一項費時費力的任務。

2. laboriouslyADV 費時費力地[ADV with v]

...the embroidery she'd worked on so laboriously during the long winter nights. …那件她在漫長的鼕夜裡辛勤制成的刺綉品。