1. 强健：sturdily 坚强地 | sturdiness 强健 | sturdy 强健的
2. 坚固;牢实：stunning 极好的;使人晕倒的 | sturdiness 坚固;牢实 | style 风格;文体;式样
3. 强健; 不屈不挠; 雄壮 (名)：sturdily 坚强地; 坚毅地; 刚强地 (副) | sturdiness 强健; 不屈不挠; 雄壮 (名) | sturdy 强健的, 毫不含糊的, 坚定的 (形)
4. 坚固性：stupp粗汞华 | sturdiness坚固性 | sturdy坚固 茁壮
noun
1. resoluteness evidenced by strength of character
e.g. sturdiness of moral principle
2. the property of something that is strongly built
3. the state of being vigorous and robust