psychologically

This explanation fits the facts and is psychologically plausible.

这一解释与事实，心理角度看也有理。

Psychologically, by the examining of Freud’s psychoanalysis, we can see the characteristics for psychic activities are transience, intermittence and unintelligibility;

心理学方面，通过对弗洛伊德的精神分析的考察，我们了解到心理活动往往是转瞬既逝、时有时无、不可为外人所道，晦涩难懂的。

Boys mature more slowly than girls,both physically and psychologically.

在生理和心理,男孩比女孩成熟得晚些。