这地方建造得有些不牢靠。The place is a bit jerry-built.我们的不牢靠的记者证所依仗的就是我那几篇杂志上的文章.Our flimsy journalists credentials rest on my few magzine pieces.别爬上那个梯子, 梯子不牢靠.Don t climb that ladder -- It's not secure....
有些地方很少有地图，而且通常绘制得都很粗糙。In some places maps are scarce, and are often crudely produced.他利用半透明瓷漆绘制出鲜艳生动的图画。He relied on translucent enamels to produce vivid, glowing pictures.托勒密绘制了48个星座1,000多颗恒星的星位图。Ptolemy charted more th...