ἐκτέμνεσθαί τινας φιλανθρωπίᾳ → disarm and deceive by kindness
With nouns expressing time, use acc.; with other nouns, use P. and V. διά (gen.), sometimes ἐν (dat.), P. παρά (acc.).
rising up during dinner: P. ἐξαναστάντες μεταξὺ δειπνοῦντες (Dem. 284).