☊A 老（老二） + 老+ * * lao3 old/ aged/ tough/ of long standing 1.alt, betagt 2.Alte(r) 3. seit lange bestehend, alt 4. veraltet, alt, überholt 5. hart, zäh, nicht zart 6. lange, für eine lange Zeit 7. stets, immer 8. sehr + + +
☊B 硬 + 硬+ * * ying4 hard/ rigid/ tough 1. hart, fest steif 2. fest, energisch 3. etw mit Mühe vollbringen, sich mühsam zu etw überwinden 4. gut (Qualität), tüchtig (Person) + + +
☊B 堅強 + 坚强+ * * jian1qiang2 strong/ firm/ tough stark + + +
☊B 艱苦 + 艰苦+ * * jian1ku3 difficult/ hard/ tough mühevoll, hart, schwierig + + +
☊C 難題 + 难题+ * * nan2ti2 difficult problem/ tough question/ hot potato schwierige Problem, knifflige Frage + + +
☊C 出難題 + 出难题+ * * chu1 nan2ti2 raise a tough question/ present a difficult problem vor ein schwieriges Problem stellen, eine schwierige Frage stellen + + +

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
出 出 go out, send out / stand / produce
難 难 difficult, arduous, hard / unable
題 题 forehead / title, headline / theme



from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License

from New General Service List by Browne, Culligan and Phillips Copyright 2013 -2015. Creative Commons Attribution 3.0 Unported License.

tough : Very difficult to do or deal with
tough zäh 强硬 ยาก difficile duro difficile kova
FrameNet Data Release 1.6 by http://framenet.icsi.berkeley.edu licensed under a Creative Commons Attribution 3.0 Unported License

tough. a: Difficulty +

tough. a: Level_of_force_resistance +

toughness. n: Level_of_force_resistance +


+


Wordnet Translations:
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
[tough] tough, hard, rough
[tough] not given to gentleness or sentimentality

Translations::
Copyright MultiWordNet 1.39
Copyright: 2005-2010 CWN group, Academia Sinica
WordNet 3.0 Copyright 2006 by Princeton University.
WOLF (Wordnet Libre du Français) Copyright: 2011 NICT
FinnWordNet Copyright 2012-2014 by the Department of Modern Languages, University of Helsinki.
GermaNet version 10.0: German part of the ILI
Multiwordnet Spanish Human Language Technology Group Copyright (c) 2014
Thai WordNet Copyright: 2011 NICT
tough + tough + tough + tough + tough + tough + tough + tough + tough + tough + tough + tough +


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