| |||
bruising; hard; herculean; laboring; labouring; operose; slavish; tiresome; toilsome | |||
uphill | |||
tough | |||
labour some; taxing | |||
laborious | |||
strenuous | |||
| |||
strenuous | |||
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robust |
费力的 : 33 phrases in 10 subjects |
Automobiles | 1 |
Business | 2 |
Commerce | 3 |
Economy | 7 |
General | 13 |
Project management | 1 |
Shipbuilding | 1 |
Sports | 1 |
Technology | 3 |
Textile industry | 1 |