strain one's eyes

strain one's eyes1。尽力注视,集中视力2。因用目过度而伤目力1例子：,If you strain your eyes,you can see the lake far away。如果你极目远望,你能看见远方的湖。,2,Don't read in this light or you'll strain your eyes!不要在这种光线下看书,否则会损伤你的眼睛!