Case-hardened and Long time

Case-hardened adjective - Having or showing a lack of sympathy or tender feelings.

Long time and case-hardened are semantically related. In some cases you can use "Long time" instead an adjective phrase "Case-hardened".

Long time noun - A prolonged period of time.

Case-hardened and long time are semantically related. Sometimes you can use "Case-hardened" instead an adjective phrase "Long time".