a. 无感觉的, 无情的, 冷酷的

Unfeeling \Un*feel"ing\, a.
1. Destitute of feeling; void of sensibility; insensible;
insensate.

2. Without kind feelings; cruel; hard-hearted.

To each his sufferings: all are men,
Condemned alike to groan;
The tender for another's pain,
Th' unfeeling for his own. --Gray.
※ -- {Un*feel"ing*ly}, adv. --
{Un*feel"ing*ness}, n.