靠不住的

• wonky
• untrustworthy
• unlikely
• slippery
• fallacious
• uncertain
• undependable
• unsicker
• not on the map
• precarious
• treacherous
• fishy
• wildcat
• deceptive

例句

1. 总依赖（有）好天气是靠不住的。
   You can't always reckon on (having) good weather.
2. 外表往往是靠不住的。
   Appearances are very often deceptive.
3. 除了数字外，没有一样东西是像事实那样靠不住的。
   Nothing is so fallacious as fact, except figures.