I can't draw very well freehand.我徒手画画得不很好.It was a freehand sketch.那是一张手画的图样....freehand sketches.徒手素描Use a template or stencil or simply do it freehand.使用样板或模版，或者干脆徒手画。...
数学试卷和英语试卷很难。The papers in maths and English are very testing.该学位课程将为数学和统计学打下扎实的基础。The degree provides a thorough grounding in both mathematics and statistics.在校时我的数学跟不上。I got left behind at school with the maths....
Vast numbers of people have been mobilised to drain flooded land.大量的人力被动员去排干受涝的土地。Vast numbers of people have been mobilised to drain flooded land...大量的人力被动员去排干受涝的土地。People have been mobilised to build defences and drain...