深锁

深锁	shēn suǒ	locked up; closed off / (of one's brow) furrowed; frowning
深	shēn	old variant of 深
深	shēn	(lit. and fig.) deep
锁	suǒ	to lock; to lock up / a lock (CL:把)
锁	suǒ	old variant of 锁