catch sight of To see someone or something very briefly or suddenly. 突然地，粗略地看到某人或某物 I didn't so much as catch sight of him all day long. 我一整天都没见他人影。 I walked slowly, casually, hoping she would catch sight of me. 我装作满不在乎地款款而行，希望她会一眼看到我。 Keep looking up, and you may catch sight of some unexpected creatures. 继续观察下去，说不定会看到意想不到的动物。