broaden one’s outlook(/horizon/vision) ? 讀完這幾本書(shū)，你的眼界會(huì)大大開(kāi)闊的。When you finish reading these few books,your outlook will be greatly broadened.
開(kāi)闊眼界kāi kuò yǎn jiè
比喻視野廣闊。broad one’s outlook, enlarge one’s view by reading, widen one’s field of vision