By dint of - Tradução em português

Que tradução podemos dar a by dint of nas frases abaixo?

<the men ... strove vainly at the first assay by dint of climbing on other men's shoulders to storm the platform — Century Magazine>
<art is not something to be come at by dint of study — Clive Bell>
<by dint of much caballing and much dwelling upon his own deserts he triumphed over his enemies — Virginia Woolf>
<by dint of rummaging through various special lists and imported series, ... it may be possible to assemble the entire series — Edward Sackville-West & Desmond Shawe-Taylor>