"extend"@en-us . . . . "201165579"^^ . . "0.375"^^ . . "201129577"@en-us . . . "strain"@en-us . "01165579-v"^^ . . "0"^^ . . . "use to the utmost; exert vigorously or to full capacity; \"He really extended himself when he climbed Kilimanjaro\"; \"Don't strain your mind too much\""@en-us . . "strain"^^ .