stick in a pin wherever there is room—make use of every bit of time or space; spare no room; avail oneself of every opportunity; seize (/catch/take)every opportunity(/occasion/chance)(by the forelook) ? 他～，努力提高業(yè)務(wù)水平。He makes use of every bit of his time in an earnest attempt to raise his professionsl skill.
見縫插針jian feng cha zhen
stick in a pin wherever there’s room—make use of every bit of time or space
見縫插針jiàn fènɡ chā zhēn
比喻抓住利用一切可能利用的時間和時機(jī)。make use of every bit of time or space, utilize every spot space, spare no room, avail oneself of every opportunity