1. 孜孜不倦地：improvise 临时作战 | sedulously 孜孜不倦地 | vivify 使生气勃勃的

2. 勤勉地; 孜孜不倦地 (副)：sedulous 勤勉的; 仔细的; 聚精会神的 (形) | sedulously 勤勉地; 孜孜不倦地 (副) | see a wolf 张口结舌

adv

1. in a sedulous manner

e.g. this illusion has been sedulously fostered