- in an ascending direction up a hill or slope上坡, 上山：
follow the track uphill.
跟着小道上山。
1
- sloping upwards; ascending向上的, 上坡的：
the journey is slightly uphill.
旅途略有爬坡。
1.1
- figurative requiring great effort; difficult〈喻〉艰难的, 费力的：
an uphill struggle to gain worldwide recognition.
争取世界承认的艰难斗争。
- an upward slope上坡。