with the best will in the world,you may be backing a loser 是什么意思

with the bestwill in the world. The point is..
You can also check that they have a lot of experience .. well..: Yes. . ., they’ve got sharply contrasting views on how something will work . certificates. degrees . say., that.
But if they start work and you realise that they just don’t get along with everybody else.. that they’ve done the sort of tasks that you want them to do in your office already, in a similar environment., whatever, you can select someone - even a friend - who has all the right
qualifications TUTOR, you may be backing a loser

即使有着世界上最好的愿望，但你也可能是在支持一个失败者。

with the best will in the world ,you may be backing a loser 拥有世上最好的希望，你将永远不败。

个人理解：你找的人如果不能融入团队，彼此间存在很大的分歧的话，那你可就找错人了

不论究竟动机有多好， 你都可能在支持一个失败者。 with the best will in the world 其中 in the world 不能解释为世界上，应该是究竟的意思，估计大家都不了解还有这层含义。而其中的不论是根据语境推测出转折的意思而加上去的，使得更为通顺。