lean-forward 需要主動參與的lean-burn 稀薄燃燒 稀燃lean years or hard times 荒時暴月lean years 荒年lean upon a balustrade 憑欄lean upon 依靠lean towards vt. 傾向（偏向）lean toward 偏愛 傾向于lean tool 精益工具lean together 靠在一起lean to lean solution 廢溶液lean soil poor soil [農(nóng)業(yè)科學]貧瘠土壤lean sales logistics [經(jīng)濟學]精益銷售物流lean production 精益生產(chǎn)；精實生產(chǎn)lean over backwards 走另一極端lean over backward 竭盡全力 矯枉過正lean over vt. 傾身（彎下身子）lean out of 身體探出lean out 探身出去；伸出身體