| 孜々;孜孜 | [しし, shishi] (adj-t, adv-to) assiduously; diligently [Add to Longdo] |
| 孜々として;孜孜として | [ししとして, shishitoshite] (exp) assiduously; diligently [Add to Longdo] |
| 孜々営々;孜孜営営 | [ししえいえい, shishieiei] (adj-t, adv-to) assiduously; with unremitting zeal [Add to Longdo] |