この際さい

noun, adverb

on this occasion; now; in these circumstances; with this opportunity

Used to introduce a decision, suggestion, or action prompted by the current situation. Often implies 'while we're at it' or 'given the circumstances'.

• この際さい、はっきり言いっておく。

  I'll say it clearly now, while I have the chance.

• この際さいだから、ついでに掃そう除じもしてしまおう。

  Since we're at it, let's clean up as well.