1. 应当承认：32. 综合素质 comprehensive quality | 34. 应当承认 Admittedly, | 35. 不可推卸的义务 unshakable duty

2. 公认地：admitted 被承认了的 | admittedly 公认地 | admittedlyit'struethat... 固然

3. 不可否认的：individual difference 个别不同, | admittedly 不可否认的, | opportunity 机会,

1. 诚然；无可否认
You use admittedly when you are saying something which weakens the importance or force of your statement.

e.g. It's only a theory, admittedly, but the pieces fit together...
诚然，这只是一种理论，但各部分互相吻合。
e.g. Sometimes, avoidance of one particular food will have this beneficial effect, though admittedly rarely.
有时，对某一食物的忌口能带来这种好处，尽管不可否认这种情况极为少见。

adv

1. as acknowledged

e.g. true, she is the smartest in her class

Synonym: trueavowedlyconfessedly