глагол: напрягать(ся), растягивать(ся); Синонимы: stretch; [ Sitting in back, I strained to hear the speaker. / He strained a muscle in his back and was forced to leave the game. ]
сущ.: напряжение, растяжение; [ He lifted the weight with a strain. ]
streɪn, 
streɪn]
