Term: take everything in one’s stride

take everything/it all in your stride (idiom): to deal with problems or difficult situations calmly and easily, without letting them worry or upset you. 

synonyms: stay calm, cope well, handle with ease. 

pronunciation: /teɪks ˈevriθɪŋ ɪn ðeə straɪd/ 

translation: uztvert visu mierīgi / tikt galā bez piepūles 

example: Even when the project deadline was moved up by a week, she just took it all in her stride and finished on time. 

other words from this root: stride (noun/verb), strident (adjective).