you > [one] lively > vividly, convincingly, in a lifelike manner

7 The god himself rending his golden hair,

rending > tearing

8 And breaking quite his garland ever green, 9 With other signs of sorrow and impatient teen.

impatient > {Unable to bear suffering} teen > grief; woe

311.38

Both for those two, and for his owne deare sonne,
2 The sonne of Climene he did repent,
Who bold to guide the charet of the Sunne,
4 Himselfe in thousand peeces fondly rent,
And all the world with flashing +fier+ brent,
6 So like, that all the walles did seeme to flame.
Yet cruell Cupid, not herewith content,
8 Forst him eftsoones to follow other game,
And loue a Shepheards daughter for his dearest Dame.

5 fier > fire 1590

1 Both for those two, and for his own dear son 2 (The son of Clymene) he did repent,

Clymene > (Mother of Phaethon; see 104.9, Met. 1.750-2.366) repent > grieve, mourn (SU)