Progress in the development of serious music was laborious and slow .
音乐的真正发展是费力和缓慢的。
In reality , netting baddies is laborious and frustrating .
实际上,捕捉坏人常常是费力而又让人备感沮丧的。
In particular , the private sector suffers . It takes 56 laborious steps to set up a business .
尤其痛苦要数私营部门:要成立一家公司,需要56个费力的步骤。
But the process is laborious and momentum in the group of 20 appears to be fading .
但这一过程十分费力,且20国集团(g20)中的动力似乎正在消退。
He himself has logged some 450 , and that was using laborious , old-fashioned techniques such as illustrating thousands of anatomical drawings by hand .
Dismissed by winston churchill as a " laborious task , unlikely to be finished until the need for it has passed " , the construction of the road claimed the lives of 1100 us servicemen and many more local labourers during the second world war .
But conventional cross-breeding is costly and laborious for grapes .
但是传统的葡萄杂交非常费时费力且价格昂贵。
Registration is laborious and time-consuming , and would discourage the use of over-the-counter derivatives .
登记是一项费时费力的工作,将会打击人们使用场外衍生品交易的积极性。
It takes 56 laborious steps to set up a business .
要开业做生意需要通过56步吃力的手续。
Hours after they finished the test on monday , both students had collected the answers from the district education bureau and begun the laborious process , with the help of their teachers , of estimating their scores .