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| rise to the occasion (VLZ_58); be on one's best behavior Am. (Andrey Truhachev); be on one's best behaviour Br. (Andrey Truhachev) | |||
| step up to the plate (VLZ_58) | |||
| be up to the challenge (VLZ_58) | |||
| show up (VLZ_58); show up big time (VLZ_58); come up big (VLZ_58); step up big (VLZ_58); come up huge (VLZ_58) | |||