NET

14 When the king heard this, he was very upset and began thinking about how he might rescue Daniel. Until late afternoon he was struggling to find a way to rescue him.

Darby

14 Then the king, when he heard these words, was sore distressed thereby, and set his heart on Daniel to save him; and he laboured till the going down of the sun to deliver him.

KJV

14 Then the king, when he heard [these] words, was sore displeased with himself, and set [his] heart on Daniel to deliver him: and he laboured till the going down of the sun to deliver him.

Strong's

14 Then ^H116 the king^H4430, when he heard^H8086 these words^H4406, was sore^H7690 displeased^H888 with himself, and set^H7761 his heart^H1079 on^H5922 Daniel^H1841 to deliver^H7804 him: and he laboured^{H1934 H7712} till^H5705 the going down^H4606 of the sun^H8122 to deliver^H5338 him.