4 Suspect her truth, and keep continual spy

truth > fidelity; virtue, integrity spy > watch

5 Upon her with his other blinked eye;

his other > his remaining (i.e. his one remaining; see 309.27:6) blinked > {Affected with a blink; also: deceived}

6 Nor suffers he resort of living wight

suffers > permits resort > assemblage, company, repair; hence, loosely: [the] presence wight > person [to]

7 Approach to her, nor keep her company, 8 But in close bower her mews from all men's sight,

close bower > [a] secret chamber mews > hides

9 Deprived of kindly joy and natural delight.

kindly > natural