English translation of '尚且'

连

1. ⇒ 简单的对话他尚且都不懂,更何况难的了。 (Jiǎndān de duìhuà tā shàngqiě dōu bù dǒng, gèng hékuàng nán de le.) He can't even understand simple conversations, let alone difficult ones.
   ⇒ 宝宝尚且不会走路,更何况跑呢。 (Bǎobao shàngqiě bù huì zǒulù, gèng hékuàng pǎo ne.) The baby can't even walk, let alone run.